#274271
Closest named color: Twilight Blue (#0A437A). oklch(38.3% 0.087 260.8), rgb(39, 66, 113).
Aa
White text reads best on this color (9.98:1).
About this color
#274271 is a dark, moderately saturated blue. In OKLCH its lightness is 38%, its chroma 0.087 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.025 away. White text reads best on it, at 9.98:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.10:1 |
| White text | 9.98:1 |
Values
| HEX | #274271 |
| RGB | rgb(39, 66, 113) |
| HSL | hsl(218, 49%, 30%) |
| OKLCH | oklch(38.3% 0.087 260.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #274271 | 9.98:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #274271 | 2.10:1 | Fails | Lc 11.0 | Not readable |
| #274271 text on white | 9.98:1 | AAA | Lc 93.0 | Preferred for body text |
| #274271 text on black | 2.10:1 | Fails | Lc -9.5 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EAF7
oklch(93.6% 0.019 263)
-
Step 200
200
#CCDAF2
oklch(88.5% 0.036 261.3)
-
Step 300
300
#A9C2EC
oklch(81% 0.066 260.7)
-
Step 400
400
#7BA1E2
oklch(70.7% 0.105 260.8)
-
Step 500
500
#5988DA
oklch(63.1% 0.134 260.9)
-
Step 600
600
#3F70C7
oklch(55.5% 0.145 260.9)
-
Step 700
700
#315EAC
oklch(49.2% 0.134 260.6)
-
Step 800
800
#294D8B
oklch(42.7% 0.111 260.5)
-
Step 900
900 (this color)
#274271
oklch(38.3% 0.087 260.8)
-
Step 950
950
#162641
oklch(27% 0.055 260.3)
#274271 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #2D4673 | 0.015 |
| Deuteranopia (no green cones) | #233F70 | 0.011 |
| Tritanopia (no blue cones) | #004D54 | 0.074 |
| Achromatopsia (no color) | #424242 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #274271
#274271
oklch(38.3% 0.087 260.8)
- #583E00
#583E00
oklch(38.3% 0.079 81.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #274271, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.025
- Dark Grey Blue #29465B ΔE 0.043
- Light Navy #155084 ΔE 0.047
- Marine Blue #01386A ΔE 0.048
- Cobalt #1E488F ΔE 0.051
- Deep Sea Blue #015482 ΔE 0.056
- Charcoal #264653 ΔE 0.057
- Prussian Blue #1D3557 ΔE 0.058
Use #274271 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.